# Catnip (Nepeta cataria)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/catnip
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 4 / 10
**Category:** European
**Also Known As:** Nepeta cataria, catmint, catnep, catswort, field balm, nep-in-a-hedge, cataria

## Overview

Catnip (Nepeta cataria) contains bioactive compounds like nepetalactone and quercitrin that demonstrate [hepatoprotective](/ingredients/condition/detox) and [antioxidant](/ingredients/condition/antioxidant) properties. Research shows quercitrin at 50 mg/kg protected against liver injury in animal studies, while methanolic extracts exhibited 77.26% DPPH radical scavenging activity.

## Health Benefits

• [Hepatoprotective](/ingredients/condition/detox) effects: Animal studies showed isolated compounds like quercitrin (50 mg/kg) protected against CCl4-induced liver injury in rats (preliminary evidence only)
• [Antioxidant activity](/ingredients/condition/antioxidant): Methanolic extracts demonstrated 77.26% DPPH radical scavenging activity in laboratory tests (in vitro evidence)
• High polyphenol content: Contains quercitrin (8406.31 μg/g), chlorogenic acid (1647.32 μg/g), and rosmarinic acid (1056.14 μg/g) with potential [anti-inflammatory](/ingredients/condition/inflammation) properties (chemical analysis only)
• Essential oil bioactivity: Rich in nepetalactones (55-58%) and monoterpenes like β-citronellol (26.31%) with theoretical therapeutic potential (compositional data only)
• Traditional sedative use: Historical application as mild sedative and antispasmodic in European folk medicine (traditional use evidence only)

## Mechanism of Action

Catnip's [hepatoprotective](/ingredients/condition/detox) effects are primarily attributed to quercitrin, a flavonoid glycoside that protects liver cells against oxidative damage induced by carbon tetrachloride (CCl4). The [antioxidant activity](/ingredients/condition/antioxidant) stems from phenolic compounds in methanolic extracts that neutralize DPPH radicals through hydrogen donation. Nepetalactone, the primary volatile compound, may contribute to additional bioactive effects through interaction with cellular receptors.

## Clinical Summary

Current evidence for catnip's health benefits comes primarily from preliminary animal studies and in vitro research. One rat study demonstrated that isolated quercitrin at 50 mg/kg provided significant protection against CCl4-induced liver injury. Laboratory tests showed methanolic catnip extracts achieved 77.26% DPPH radical scavenging activity, indicating strong [antioxidant](/ingredients/condition/antioxidant) potential. Human clinical trials are lacking, making it difficult to establish definitive therapeutic benefits or optimal dosing for people.

## Nutritional Profile

Catnip (Nepeta cataria) is a low-calorie aromatic herb with nutritional data primarily derived from phytochemical analyses rather than comprehensive macronutrient studies. Bioactive compounds dominate its nutritional significance: Polyphenols are the most characterized fraction, with quercitrin (quercetin-3-rhamnoside) quantified at 8406.31 μg/g dry weight, making it the dominant flavonoid; chlorogenic acid measured at 1647.3 μg/g dry weight as a key hydroxycinnamic acid derivative. Nepetalactone iridoids (cis-trans and trans-cis isomers) constitute 70–99% of the essential oil fraction and are responsible for the characteristic feline behavioral response; these are largely volatile and lost during drying or cooking, limiting bioavailability in typical culinary use. Rosmarinic acid, luteolin, and apigenin glycosides have been identified as secondary polyphenolic constituents in methanolic extracts. The methanolic extract demonstrated 77.26% DPPH radical scavenging activity in vitro, attributable primarily to the high quercitrin content. Fiber content is moderate as expected for a leafy herb (estimated 2–4 g/100g fresh weight based on comparable Lamiaceae species), though specific values for N. cataria are not well-documented. Mineral content has not been specifically quantified in peer-reviewed literature; comparable herbs in the Lamiaceae family typically contribute calcium, magnesium, potassium, and iron in small amounts per typical serving. Protein content is low (~3–4 g/100g dry weight estimated by family comparison). Bioavailability note: Quercitrin requires intestinal deglycosylation to quercetin aglycone before absorption; bioavailability is moderate (~20–50% relative to quercetin standards). Nepetalactones are highly volatile and bioavailability via oral consumption is not well-characterized. Most compositional data derives from laboratory extractions rather than food preparation contexts, limiting direct nutritional translation.

## Dosage & Preparation

No clinically studied human dosage ranges are available. Animal studies used isolated polyphenols at 50 mg/kg orally. Essential oil yields vary from 0.19-0.93% with no established dosing guidelines. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Catnip is generally recognized as safe when used as a culinary herb or mild tea, with centuries of traditional use. However, concentrated extracts may cause drowsiness, headaches, or digestive upset in sensitive individuals. Pregnant and breastfeeding women should avoid medicinal amounts due to lack of safety data. No specific drug interactions are well-documented, but catnip may theoretically enhance the effects of sedative medications due to its mild calming properties.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses on Nepeta cataria were identified in the current research. All available evidence comes from phytochemical analyses, in vitro [antioxidant](/ingredients/condition/antioxidant) assays, and limited animal studies examining [hepatoprotective](/ingredients/condition/detox) effects of isolated compounds.

## Historical & Cultural Context

Catnip has been used in European folk medicine for centuries as a mild sedative, carminative, and antispasmodic agent. Modern pharmacognosy reviews acknowledge its historical role in traditional herbal systems, though specific preparation methods and cultural contexts are not well-documented.

## Synergistic Combinations

Lemon balm, Valerian root, Passionflower, Chamomile, Milk thistle

## Frequently Asked Questions

### What is the active compound responsible for catnip's liver protective effects?

Quercitrin, a flavonoid glycoside, is the primary compound responsible for catnip's hepatoprotective effects. Animal studies showed 50 mg/kg of isolated quercitrin protected rat liver cells against carbon tetrachloride-induced damage.

### How strong is catnip's antioxidant activity compared to other herbs?

Catnip methanolic extracts demonstrated 77.26% DPPH radical scavenging activity in laboratory tests. This indicates moderate to strong antioxidant potential, though direct comparisons with other herbs require standardized testing conditions.

### Is catnip safe for human consumption as a supplement?

Catnip is generally safe as a culinary herb or mild tea, but concentrated extracts lack extensive human safety data. Pregnant women should avoid medicinal amounts, and some people may experience drowsiness or digestive upset.

### What's the difference between catnip effects on cats versus humans?

Nepetalactone in catnip triggers euphoric responses in cats through specific feline pheromone receptors. In humans, catnip traditionally produces mild calming effects without the dramatic behavioral changes seen in cats.

### Are there any proven human clinical studies on catnip benefits?

Currently, no human clinical trials have been published demonstrating catnip's health benefits. Evidence comes from animal studies and laboratory tests, making it impossible to confirm therapeutic effects in people at this time.

### What forms of catnip supplement are available, and which has the best absorption?

Catnip is available as dried leaf tea, liquid extracts, capsules, and tinctures. Liquid extracts and tinctures may offer superior bioavailability compared to whole dried herb due to enhanced solubility of active polyphenols like quercitrin and chlorogenic acid, though direct comparative absorption studies in humans are limited. The choice depends on individual preference and intended use, with standardized extracts providing more consistent polyphenol content across batches.

### Is catnip safe to use during pregnancy or while breastfeeding?

Safety data for catnip supplementation during pregnancy and breastfeeding is insufficient, and it is generally recommended to avoid supplemental use in these populations due to lack of adequate human studies. Traditional use in small amounts as a culinary herb is considered different from therapeutic supplementation. Pregnant or nursing women should consult a healthcare provider before using catnip supplements.

### Does catnip interact with medications, particularly liver-metabolized drugs?

While animal studies suggest catnip may have hepatoprotective properties, there is insufficient human clinical data to definitively establish interactions with cytochrome P450 enzymes or liver-metabolized medications. Individuals taking prescription medications, especially those metabolized by the liver (such as statins or immunosuppressants), should consult a healthcare provider before adding catnip supplements to avoid potential interactions. Caution is particularly warranted given catnip's polyphenol content, which can modulate enzyme activity in some cases.

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